-82.64% is the change from 847 to 147
Calculation steps:
[( 147 - 847 ) ÷ 847] x 100 = -82.64%
Formula
Percentage change = [(147 - 847) / 847] x 100
Subtract the new number by the original number
147 - 847 = -700
-700 ÷ 847 = -0.8264462809917356
-0.8264462809917356 x 100 = -82.64%